package com.medaxis.hpams.sso.aspectj;


import com.medaxis.hpams.sso.annotation.DataScope;
import com.medaxis.hpams.sso.domain.Role;
import com.medaxis.hpams.sso.domain.User;
import com.medaxis.hpams.sso.domain.dto.BaseDto;
import com.medaxis.hpams.sso.domain.dto.RoleDto;
import com.medaxis.hpams.sso.utils.StringUtils;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;


/**
 * 数据过滤处理
 */
@Aspect
@Component
public class DataScopeAspect
{
    /**
     * 全部数据权限
     */
    public static final String DATA_SCOPE_ALL = "1";

    /**
     * 自定数据权限
     */
    public static final String DATA_SCOPE_CUSTOM = "2";

    /**
     * 部门数据权限
     */
    public static final String DATA_SCOPE_DEPT = "3";

    /**
     * 部门及以下数据权限
     */
    public static final String DATA_SCOPE_DEPT_AND_CHILD = "4";

    /**
     * 仅本人数据权限
     */
    public static final String DATA_SCOPE_SELF = "5";

    /**
     * 数据权限过滤关键字
     */
    public static final String DATA_SCOPE = "dataScope";


    public static final Map<String,Object>  map = new HashMap();



    // 配置织入点
    @Pointcut("@annotation(com.medaxis.hpams.sso.annotation.DataScope)")
    public void dataScopePointCut()
    {
    }

    @Before("dataScopePointCut()")
    public void doBefore(JoinPoint point) throws Throwable
    {
        clearDataScope(point);
        handleDataScope(point);
    }

    protected void handleDataScope(final JoinPoint joinPoint)
    {
        // 获得注解
        DataScope controllerDataScope = getAnnotationLog(joinPoint);
        if (controllerDataScope == null)
        {
            return;
        }
        // 获取当前的用户
        Role role01=new Role();
        role01.setRoleId(2L);
//        role01.setDataScope("4");
//        User user01 = User.builder().userName("test").role(role01).groupId(2L).build();

//        if (StringUtils.isNotNull(user01))
//        {
////            User currentUser = loginUser.getUser();
////            // 如果是超级管理员，则不过滤数据
////            if (StringUtils.isNotNull(currentUser) && !currentUser.isAdmin())
////            {
//                dataScopeFilter(joinPoint, user01, controllerDataScope.groupAlias(),
//                        controllerDataScope.userAlias());
////            }
//        }
    }

    /**
     * 数据范围过滤
     *
     * @param joinPoint 切点
     * @param user 用户
     * @param userAlias 别名
     */
    public static void dataScopeFilter(JoinPoint joinPoint, User user, String deptAlias, String userAlias)
    {
        StringBuilder sqlString = new StringBuilder();

//            Role  role= new RoleDto();
//            String dataScope = role.getDataScope();
//            if (DATA_SCOPE_ALL.equals(dataScope))
//            {
//                sqlString = new StringBuilder();
//            }
//            else if (DATA_SCOPE_CUSTOM.equals(dataScope))
//            {
//                sqlString.append(StringUtils.format(
//                        " OR {}.group_id IN ( SELECT group_id FROM sso_role_group WHERE role_id = {} ) ", deptAlias,
//                        role.getRoleId()));
//            }
//            else if (DATA_SCOPE_DEPT.equals(dataScope))
//            {
//                sqlString.append(StringUtils.format(" OR {}.group_id = {} ", deptAlias, user.getGroupId()));
//            }
//            else if (DATA_SCOPE_DEPT_AND_CHILD.equals(dataScope))
//            {
//                sqlString.append(StringUtils.format(
//                        " OR {}.group_id IN ( SELECT group_id FROM sso_group WHERE group_id = {} or find_in_set( {} , ancestors ) )",
//                        deptAlias, user.getGroupId(), user.getGroupId()));
//            }
//            else if (DATA_SCOPE_SELF.equals(dataScope))
//            {
//                if (StringUtils.isNotBlank(userAlias))
//                {
//                    sqlString.append(StringUtils.format(" OR {}.user_id = {} ", userAlias, user.getUserId()));
//                }
//                else
//                {
//                    // 数据权限为仅本人且没有userAlias别名不查询任何数据
//                    sqlString.append(" OR 1=0 ");
//                }
//            }


        if (StringUtils.isNotBlank(sqlString.toString()))
        {
            Object params = joinPoint.getArgs()[0];
            if (StringUtils.isNotNull(params) && params instanceof BaseDto)
            {
                BaseDto baseDto = (BaseDto) params;
                baseDto.getParams().put(DATA_SCOPE, " AND (" + sqlString.substring(4) + ")");
            }
        }
    }

    /**
     * 是否存在注解，如果存在就获取
     */
    private DataScope getAnnotationLog(JoinPoint joinPoint)
    {
        Signature signature = joinPoint.getSignature();
        MethodSignature methodSignature = (MethodSignature) signature;
        Method method = methodSignature.getMethod();

        if (method != null)
        {
            return method.getAnnotation(DataScope.class);
        }
        return null;
    }

    /**
     * 拼接权限sql前先清空params.dataScope参数防止注入
     */
    private void clearDataScope(final JoinPoint joinPoint)
    {
        Object params = joinPoint.getArgs()[0];
        if (StringUtils.isNotNull(params) && params instanceof BaseDto)
        {
            BaseDto baseDto= (BaseDto) params;
            baseDto.setParams(map);
            baseDto.getParams().put(DATA_SCOPE, "");
        }
    }
}
